Idaho Time Zone Map
Mountain Time; northern panhandle is Pacific.
Time zones in Idaho
| Zone | IANA | Standard | Daylight | Abbr |
|---|---|---|---|---|
| Mountain Time | America/Boise | UTC−7 | UTC−6 | MST / MDT |
| Pacific Time | America/Los_Angeles | UTC−8 | UTC−7 | PST / PDT |
Idaho is on Mountain Time in the south, but its northern panhandle — Coeur d’Alene, Sandpoint, Moscow, and Lewiston — is on Pacific Time, tied to Spokane, Washington. The line runs east–west across Idaho County, largely along the Salmon River, so the state’s two halves are an hour apart.
Frequently asked questions
What time zone is Idaho in?
Mostly Mountain Time (MST/MDT), with the northern panhandle — Coeur d’Alene, Moscow, and Lewiston — on Pacific Time.
What time zone is Boise in?
Mountain Time (UTC−7 in winter, UTC−6 in summer), IANA zone America/Boise.
Is the whole state of Idaho on one time zone?
No. Idaho spans Mountain Time and Pacific Time; only the northern panhandle is Pacific.
Sources: zone boundaries from the U.S. Department of Transportation’s time zone regulations (49 CFR Part 71); offsets and daylight saving rules from the IANA time zone database. See Data Sources for how this site uses them.